ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：49.3667 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：49.3667 MHz
- Function：Standby (Power Down)
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：23mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
Download product information
Overview
The 18QHTF21-49.3667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 49.3667 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.
Feature Summary
- Supports standby mode for power reduction
- Utilizes LVCMOS output interface
- Compact surface-mount packaging
Applications
- Digital signal processing circuits
- Communication equipment timing
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the datasheet specifications to maintain oscillation integrity. Confirm that the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official documentation to avoid assembly issues.
Selection Notes
Select this component when a 49.3667 MHz clock source is required with low voltage operation. Consider the standby feature if power efficiency is critical. Compare package size constraints against available alternatives. Verify compatibility with LVCMOS input thresholds of downstream components. Ensure operating temperature range aligns with environmental conditions.
Part Context
This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. The 18QHTF21 series typically targets space-constrained applications requiring reliable timing signals in consumer and industrial electronics.
Replacement Considerations
Check for direct substitutes with identical frequency and package from Mercury Electronics. Verify electrical compatibility of alternative brands regarding supply voltage and output logic levels. Ensure thermal characteristics match the original specification.
